<!DOCTYPE html>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
<title>grid item with border-box and max-content should include borders</title>
<style>
    .grid {
        display: grid;
        grid-auto-columns: 1fr;
        grid-auto-flow: column;
        border: 1px solid red;
        width: max-content;
    }
    .item {
        width: 50px;
        background-color: blue;
        padding: 10px 20px;
    }
    .content {
        width: 50px;
        height: 50px;
        background-color: green;
    }
</style>
<div class="grid">
    <div class="item">
        <div class="content"></div>
    </div>
    <div class="item">
        <div class="content"></div>
    </div>
</div>
